Automobile lower bumper



FIG. 1 is a front perspective view of an automobile lower bumper attached to a vehicle, no part of the vehicle is claimed;

FIG. 2 is a perspective view of the automobile grille;

FIG. 3 is a front view of the automobile grille;

FIG. 4 is a top view of the automobile grille; and,

FIG. 5 is a left side view of the automobile grille (the right side view is a mirror of the left side view and is not shown).

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an automobile lower bumper, as shown and described in FIGS. 1-5. 